In an interview with CNN today, Marco Rubio said in no uncertain terms that he’s not going to be the vice president. Sen. Marco Rubio of Florida, widely speculated to be a top pick for the Republican presidential running mate, once again firmly denied he would join the GOP ticket. “I’m not going to be the vice president,” Rubio said Friday in an interview with CNN en Español’s Ismael Cala. “I’m not.” We have two options. We can assume that Rubio meant to imply he wouldn’t join the 2012 GOP ticket under any circumstances — OR — we can parse...